div {
  margin: 0;
  padding: 0;
  border: 0;
}
html,body {
  height: 100%;
  margin: 0;
}
#root {
  height: 100%;
}
.app {
  height: 100%;

}

.view-box {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: scroll;

  .container {
    position: absolute;
    width: 4000px;
    height: 2000px;
    overflow: hidden;

    .content {
      position: absolute;
      left: 50%;
      top: 50%;
      width: 50px;
      height: 50px;
      background-color: orange;

      .ele1 {

      }
    }
  }
}


